SUSTAINABILITY DISCLOSURE TOPICS & ACCOUNTING METRICS
Table 1. Sustainability Disclosure Topics & Accounting Metrics
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TOPIC
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ACCOUNTING METRIC
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UNIT OF MEASURE
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OTTR DISCLOSURE
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Greenhouse Gas Emissions & Energy Resource Planning
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(1) Gross global Scope1 emissions, percentage covered under (2) emissions-limiting regulations, and (3) emissions-reporting regulations
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Metric tons(t) CO₂-e, Percentage (%)
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http://www.otpsustainability.com/environment/efficiency-improvements-emission-reductions of Sustainability Report and Quantitative sections of the EEI ESG Report
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Greenhouse gas (GHG) emissions associated with power deliveries
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Metric tons(t) CO₂-e
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http://www.otpsustainability.com/environment/efficiency-improvements-emission-reductions of Sustainability Report and Quantitative section of the EEI ESG/ Report
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Discussion of long-term and short-term strategy or plan to manage Scope1 emissions, emissions reduction targets, and an analysis of performance against those targets
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Discussion & Analysis
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N/A
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(1 Number of customers served in markets subject to renewable portfolio standards (RPS) and (2) percentage fulfillment of RPS target by market (2)
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Number/ Percentage
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OTP Statistical Report:
(1) 62,105
(2) 100%
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Air Quality
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Air emissions of the following pollutants: (1) Nox (excluding N2O), (2) SOx, (3) particulate matter (PM10), (4) lead (Pb), and (5) mercury (Hg); percentage of each in or near areas of dense population
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Metric tons(t), Percentage (%)
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http://www.otpsustainability.com/environment/efficiency-improvements-emission-reductions of Sustainability Report and Quantitative section of EEI ESG/Sustainability Report
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Water Management
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(1) Total water withdrawn, (2) total water consumed, percentage of each in regions with High or Extremely High Baseline Water Stress
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Thousand cubic meters(m³), Percentage (%)
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http://www.otpsustainability.com/environment/water-resources of Sustainability Report
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Number of incidents of non-compliance associated with water quantity and/or quality permits, standards, and regulations
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Number
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Disclosed, in general, on http://www.otpsustainability.com/environment/water-resources of Sustainability Report
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Description of water management risks and discussion of strategies and practices to mitigate those risks
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n/a
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http://www.otpsustainability.com/environment/water-resources of Sustainability Report
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Coal Ash Management
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Amount of coal combustion residuals (CCR) generated, percentage recycled
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Metric tons(t), Percentage (%)
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http://www.otpsustainability.com/environment/waste-management/ of Sustainability Report
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Total number of coal combustion residual (CCR) impoundments, broken down by hazard potential classification and structural integrity assessment |
Number
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http://www.otpsustainability.com/environment/waste-management of Sustainability Report
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SUSTAINABILITY DISCLOSURE TOPICS & ACCOUNTING METRICS
Table 1. Sustainability Disclosure Topics & Accounting Metrics
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TOPIC
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ACCOUNTING METRIC
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UNIT OF MEASURE
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OTTR DISCLOSURE
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Energy Affordability
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Average retail electric rate for (1) residential, (2) commercial, and (3) industrial customers
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Rate
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p.6 Annual Report and http://www.otpsustainability.com/economy/electric-rates of Sustainability Report
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Typical monthly electric bill for residential customers for (1) 500kWh and (2) 1,000 kWh of electricity delivered per month
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Reporting currency
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OTP Website: https://www.otpco.com/pricing
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Number of residential customer electric disconnections for non-payment, percentage reconnected within 30 days (3)
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Number, Percentage (%)
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N/A
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Discussion of impact of external factors on customer affordability of electricity, including the economic conditions of the service territory
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n/a
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OTP website: https://www.otpco.com/pricing/a-closer-look-at-your-bill Risk factor disclosure in 10-K, Electric risk factors described in p.14-16
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Workforce Health & Safety
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(1) Total recordable incident rate (TRIR), (2) fatality rate, and (3) near miss frequency rate (NMFR)
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Rate
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http://www.otpsustainability.com/community/safety-training in Sustainability Report and OTP website: https://www.otpco.com/our-covid-19-response/our-employees
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End-Use Efficiency & Demand
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Percentage of electric utility revenues from rate structures that (1) are decoupled and (2) contain a lost revenue adjustment mechanism (LRAM)
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Percentage (%)
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Are in the process of filing for decoupling in MN
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Percentage of electric load served by smart grid technology (4)
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Percentage (%) by megawatt hours (MWh)
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Currently don't have smart grid technology. We propose $145 million of CapX in plan for technology/infra projects
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Customer electricity savings from efficiency measures, by market (5)
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Megawatt hours (MWh)
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http://www.otpsustainability.com/environment/energy-efficiency-load-management of Sustainability Report under Energy Efficiency and Load Management
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Nuclear Safety & Emergency Management
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Total number of nuclear power units, broken down by U.S. Nuclear Regulatory Commission (NRC) Action Matrix Column
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Number
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Not Applicable
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Description of efforts to manage nuclear safety and emergency preparedness
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n/a
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Not Applicable
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Grid Resiliency
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Number of incidents of non-compliance with physical and/or cyber security standards or regulations
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Number
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http://www.otpsustainability.com/energy-technology/grid-reliability-security of Sustainability Report.
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(1) System Average Interruption Duration Index (SAIDI), (2) System Average Interruption Frequency Index (SAIFI), and (3) Customer Average Interruption Duration Index (CAIDI), inclusive of major event days (6)
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Minutes, Number
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http://www.otpsustainability.com/energy-technology/grid-reliability-security of Sustainability Report
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